<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="description" content="">
    <meta name="author" content="">
    <!-- <link rel="icon" href="favicon.ico"> -->
    <title>首页</title>
</head>
<body>
<div>
    <h2>我是首页</h2>
    <div th:if="2 lt 2">
        3
    </div>
</div>
</body>
</html>